【QJ65直流單雙臂電橋產(chǎn)品介紹（中文版）】
QJ65直流單雙臂電橋是一款專為精密電阻測量設(shè)計的智能化檢測設(shè)備，適用于實驗室、工業(yè)現(xiàn)場及科研領(lǐng)域?qū)χ械椭惦娮璧母呔葴y量需求。該產(chǎn)品融合傳統(tǒng)電橋技術(shù)優(yōu)勢與現(xiàn)代化設(shè)計理念，可靈活切換單臂和雙臂兩種測量模式，滿足不同場景下的測試要求，為使用者提供可靠的數(shù)據(jù)支持。
核心優(yōu)勢：
- 寬量程高精度：支持0.1μΩ至11.11kΩ的寬范圍測量，基本精度可達(dá)0.05級，有效捕捉微小電阻變化。采用溫度補(bǔ)償技術(shù)，確保在不同環(huán)境溫度下保持穩(wěn)定的測量性能。
- 智能便捷操作：配備高清液晶顯示屏與人性化操作界面，內(nèi)置自動量程切換功能，支持?jǐn)?shù)據(jù)保持和誤差修正功能，顯著提升工作效率。機(jī)械調(diào)零機(jī)構(gòu)采用防磨損設(shè)計，延長設(shè)備使用壽命。
- 堅固安全設(shè)計：全金屬外殼具備良好的電磁屏蔽性能，內(nèi)部電路采用模塊化隔離技術(shù)，有效降低干擾。配備過載保護(hù)裝置，在異常電流狀態(tài)下自動切斷測量回路，保障設(shè)備和操作人員安全。
- 多功能適配：配置標(biāo)準(zhǔn)四端測量接口，兼容多種規(guī)格測試線纜�？蛇x配數(shù)據(jù)記錄模塊，支持測量數(shù)據(jù)存儲及傳輸功能，便于后期分析處理。
典型應(yīng)用：
本產(chǎn)品廣泛應(yīng)用于變壓器繞組檢測、電機(jī)線圈阻值分析、精密分流器校準(zhǔn)、材料導(dǎo)電性研究等領(lǐng)域，特別適用于需要對比測量或長周期監(jiān)測的科研項目。其穩(wěn)定的輸出特性和抗干擾能力，使其在復(fù)雜電磁環(huán)境中仍能保持優(yōu)異表現(xiàn)。
結(jié)構(gòu)設(shè)計：
采用分層式電路布局和三點式接地系統(tǒng)，有效抑制雜散電流影響。測量旋鈕采用精密刻度機(jī)構(gòu)，最小分辨率達(dá)0.01%。內(nèi)置可充電鋰電池組，連續(xù)工作時間超過40小時，并支持快速充電技術(shù)。
【QJ65 DC Single/Double Bridge Product Introduction (English Version)】
The QJ65 DC Single/Double Bridge is an advanced resistance measurement instrument designed for precision electrical testing in laboratories, industrial environments, and scientific research applications. Combining classic bridge measurement principles with modern technological innovations, this device offers both single-arm and double-arm measurement modes, delivering accurate and repeatable results across diverse working conditions.
Key Features:
- Extended Measurement Range: Covers 0.1μΩ to 11.11kΩ with 0.05-class basic accuracy. Innovative temperature stabilization circuitry minimizes thermal drift effects, ensuring consistent performance within -10°C to +50°C operational temperature range.
- Intelligent Operation System: Features an ergonomic interface with backlit LCD display and auto-ranging capability. Memory function stores up to 200 measurement records, while the built-in calibration assistant simplifies maintenance procedures.
- Robust Construction: Heavy-duty aluminum alloy enclosure provides superior EMI shielding. Modular circuit design enhances serviceability, with replaceable protection modules for current terminals. Dual-layer insulation design meets enhanced safety requirements.
- Enhanced Connectivity: Equipped with gold-plated Kelvin terminals for low-contact resistance. Optional Bluetooth module enables wireless data transmission to PCs or mobile devices, facilitating real-time monitoring and report generation.
Typical Applications:
Ideal for precision resistor manufacturing quality control, power equipment maintenance, educational demonstrations, and material science research. Particularly effective in automotive electronics testing and aerospace component verification where stable measurement under vibration conditions is critical.
Technical Highlights:
• Dual-mode power supply: Operates on 220V AC or built-in 24V DC lithium battery
• Advanced sampling rate: 5 measurements per second in fast mode
• Mechanical components: Stainless steel bearing shafts with dust-proof construction
• Safety compliance: Automatic discharge circuit protects sensitive components
This instrument embodies reliable performance through optimized structural design, including vibration-damping base and moisture-resistant terminal posts. The rotating switch mechanism incorporates precision ball-bearing technology for smooth operation, while the three-stage filter system effectively suppresses power supply noise interference. With its balance indicator featuring 41-segment LED bar graph display, users can achieve precise null detection even in low-light environments.
